the sun angular diameter is 30''the distance of earth from sun is 1.496 x 10¹¹m.find the diameter of the sun
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The sun's angular diameter is measured to be 1920
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The Sun's angular diameter is measured to be 1920".
Distance of the sun from the earth, S= 1.5 × 10¹¹m.
Angular Diameter of the sun, = ø(theta) = 1920''=1920×4.85×10^-6 rad
Linear Diameter of the sun, =
D=S×ø= 1.5×10^11×1920×4.85×10^-6
So, Diameter = 1.4×10^9 (ans)
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